530UB164 AS/NZS 3679.1 Grade 300 — Australian Universal Beam Section Properties

530UB164 is an Australian UB (Universal Beam) per AS/NZS 3679.1 hot-rolled structural steel section. Standard Australian UB dimensions. Verify against Liberty OneSteel / InfraBuild section catalog.

Dimensions (Metric)

Property Value Unit
Depth (d) 530 mm
Flange Width (bf) 210 mm
Flange Thickness (tf) 20.0 mm
Web Thickness (tw) 12.0 mm
Cross-Sectional Area (A) 142.8 cm²
Mass 164.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 66,414 3,094 cm⁴
Elastic Section Modulus (S) 2,506 295 cm³
Plastic Section Modulus (Z) 2,862 459 cm³
Radius of Gyration (r) 21.57 4.65 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 140 cm⁴
Distance Between Flange Centroids (ho) 51.00 cm

Design Resources

Frequently Asked Questions

What is the 530UB164 section depth? The 530UB164 has a nominal depth of 530mm and a flange width of 210mm. The UB is part of the 530mm depth series.

What steel grade is standard for 530UB164? Typically AS/NZS 3679.1 Grade 300 per AS/NZS 3679.1. Also available as Grade 300PLUS, Grade 350, Grade 400. Verify grade requirements with project specifications.

What is the mass of a 530UB164 beam? 164.0 kg/m. A 12m length weighs approximately 1,968 kg.

What is the section modulus of 530UB164? Sx = 2,506 cm³ (strong axis) and Sy = 295 cm³ (weak axis). The plastic section modulus Zx = 2,862 cm³.

Related Pages


Educational reference only. Verify all section properties against the current Liberty OneSteel / InfraBuild section catalog and AS/NZS 3679.1 before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.